Keeping SEA SPIDERS in an aquarium, will they EAT?

Join me as I search for food for my sea spiders! Some really cool and interesting footage of these incredibly cool creatures in this video! They are quickly turning into my favourites, and I'm really looking forward to learning and observing more of these critters in the future.
Hope you'll enjoy the video!
--------
My setup:
70l (18,5 US gallons) glass tank
Small internal filter pump
------
Creatures in this video:
Sea spider (Nymphon gracile)
Stalked jellyfish (Lucernaria quadricornis)
Feather star (Crinoidea)
shrimp
Sea squirts (Ascidiacea)
Pollock (Pollachius virens)
Plumose anemone (Metridium senile)
Common grey sea slug (Aeolidia papillosa)
Hydroids
mystery worm
more
-------
Music Credits:
From Somewhere Quiet - Make Believe chll.to/2a35a0a5
j'san, Dotlights - Objects With Intent chll.to/b6e29743
Kevin Kuh - Welcome Home chll.to/98f8c3ad
Dotlights, Heathered Pearls - Objects With Intent chll.to/347f78cc
mommy, Sleepy Fish - sozu chll.to/f0005ea3
-------
Can also find me on other social media:
If you want to see more then I upload here on TH-cam, check out r/ColdWaterTanks on Reddit.
Also on Instagram, Twitter and Reddit:
/ coldwatertankyouforwat...
/ cold_tank
Reddit:
u/ColdWaterTankYou
r/ColdwaterTanks
-------
Other keywords
cold water aquarium, coldwater aquarium, cold water aquariums, coldwater aquariums, cold water tank, exotic, exotic fish, Fish, marine fish, rare fish, unusual fish, aquariumfish, aquarium fish, coldwater fish, marine creatures, ocean creatures, oceancritters, invertebrates, invertabrate, inverts, marine inverts, marine invertebrates, invertabrates, marine tank, saltwater tank, fishtank, fish tank, coldwater tank, coldwater tanks, cold water tank, cold water tanks, coldwater marine tank, cold saltwater tank, salt water aquarium, saltwater aquarium, cold saltwater aquarium, cold marine aquarium, native fishtank, native fish tank, native aquarium, native cold water aquarium, native coldwater aquarium, temperate aquarium, temperate fish tank, temperate fishtank, temperate marine tank, temperate marine aquarium, norwegian native, norwegian biotope, norwegian marine biotope, atlantic ocean biotope, north atlantic ocean biotope, norwegian sea biotope, rockpool tank, rockpool aquarium, tidepool tank, tidepool aquarium, biotope aquarium, biotope marine aquarium, cold biotope aquarium, biotope fish tank, biotope fishtank, native aquarium,